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c906108c | 1 | /* Module support. |
836cc9f4 | 2 | |
7b6bb8da | 3 | Copyright 1996, 1997, 1998, 2003, 2007, 2008, 2009, 2010, 2011 |
e4d013fc | 4 | Free Software Foundation, Inc. |
836cc9f4 | 5 | |
c906108c SS |
6 | Contributed by Cygnus Support. |
7 | ||
8 | This file is part of GDB, the GNU debugger. | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
4744ac1b JB |
12 | the Free Software Foundation; either version 3 of the License, or |
13 | (at your option) any later version. | |
c906108c SS |
14 | |
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
4744ac1b JB |
20 | You should have received a copy of the GNU General Public License |
21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
c906108c SS |
22 | |
23 | #include "sim-main.h" | |
24 | #include "sim-io.h" | |
25 | #include "sim-options.h" | |
26 | #include "sim-assert.h" | |
27 | ||
28 | #if WITH_HW | |
29 | #include "sim-hw.h" | |
30 | #endif | |
31 | ||
32 | #include "libiberty.h" | |
33 | ||
34 | /* List of all modules. */ | |
35 | static MODULE_INSTALL_FN * const modules[] = { | |
36 | standard_install, | |
37 | sim_events_install, | |
38 | #ifdef SIM_HAVE_MODEL | |
39 | sim_model_install, | |
40 | #endif | |
41 | #if WITH_ENGINE | |
42 | sim_engine_install, | |
43 | #endif | |
44 | #if WITH_TRACE | |
45 | trace_install, | |
46 | #endif | |
47 | #if WITH_PROFILE | |
48 | profile_install, | |
49 | #endif | |
50 | sim_core_install, | |
51 | #ifndef SIM_HAVE_FLATMEM | |
52 | /* FIXME: should handle flatmem as well FLATMEM */ | |
53 | sim_memopt_install, | |
54 | #endif | |
55 | #if WITH_WATCHPOINTS | |
56 | sim_watchpoint_install, | |
57 | #endif | |
58 | #if WITH_SCACHE | |
59 | scache_install, | |
60 | #endif | |
c906108c SS |
61 | #if WITH_HW |
62 | sim_hw_install, | |
63 | #endif | |
64 | /* Configured in [simulator specific] additional modules. */ | |
65 | #ifdef MODULE_LIST | |
66 | MODULE_LIST | |
67 | #endif | |
68 | 0 | |
69 | }; | |
70 | \f | |
71 | /* Functions called from sim_open. */ | |
72 | ||
73 | /* Initialize common parts before argument processing. */ | |
74 | ||
75 | SIM_RC | |
76 | sim_pre_argv_init (SIM_DESC sd, const char *myname) | |
77 | { | |
78 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
79 | SIM_ASSERT (STATE_MODULES (sd) == NULL); | |
80 | ||
81 | STATE_MY_NAME (sd) = myname + strlen (myname); | |
82 | while (STATE_MY_NAME (sd) > myname && STATE_MY_NAME (sd)[-1] != '/') | |
83 | --STATE_MY_NAME (sd); | |
84 | ||
85 | /* Set the cpu names to default values. */ | |
86 | { | |
87 | int i; | |
88 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
89 | { | |
90 | char *name; | |
39a3ae0a MF |
91 | if (asprintf (&name, "cpu%d", i) < 0) |
92 | return SIM_RC_FAIL; | |
c906108c SS |
93 | CPU_NAME (STATE_CPU (sd, i)) = name; |
94 | } | |
95 | } | |
96 | ||
97 | sim_config_default (sd); | |
98 | ||
99 | /* Install all configured in modules. */ | |
100 | if (sim_module_install (sd) != SIM_RC_OK) | |
101 | return SIM_RC_FAIL; | |
102 | ||
103 | return SIM_RC_OK; | |
104 | } | |
105 | ||
106 | /* Initialize common parts after argument processing. */ | |
107 | ||
108 | SIM_RC | |
109 | sim_post_argv_init (SIM_DESC sd) | |
110 | { | |
111 | int i; | |
112 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
113 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
114 | ||
115 | /* Set the cpu->state backlinks for each cpu. */ | |
116 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
117 | { | |
118 | CPU_STATE (STATE_CPU (sd, i)) = sd; | |
119 | CPU_INDEX (STATE_CPU (sd, i)) = i; | |
120 | } | |
121 | ||
122 | if (sim_module_init (sd) != SIM_RC_OK) | |
123 | return SIM_RC_FAIL; | |
124 | ||
125 | return SIM_RC_OK; | |
126 | } | |
127 | \f | |
128 | /* Install all modules. | |
129 | If this fails, no modules are left installed. */ | |
130 | ||
131 | SIM_RC | |
132 | sim_module_install (SIM_DESC sd) | |
133 | { | |
134 | MODULE_INSTALL_FN * const *modp; | |
135 | ||
136 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
137 | SIM_ASSERT (STATE_MODULES (sd) == NULL); | |
138 | ||
139 | STATE_MODULES (sd) = ZALLOC (struct module_list); | |
140 | for (modp = modules; *modp != NULL; ++modp) | |
141 | { | |
142 | if ((*modp) (sd) != SIM_RC_OK) | |
143 | { | |
144 | sim_module_uninstall (sd); | |
145 | SIM_ASSERT (STATE_MODULES (sd) == NULL); | |
146 | return SIM_RC_FAIL; | |
147 | } | |
148 | } | |
149 | return SIM_RC_OK; | |
150 | } | |
151 | ||
152 | /* Called after all modules have been installed and after argv | |
153 | has been processed. */ | |
154 | ||
155 | SIM_RC | |
156 | sim_module_init (SIM_DESC sd) | |
157 | { | |
158 | struct module_list *modules = STATE_MODULES (sd); | |
159 | MODULE_INIT_LIST *modp; | |
160 | ||
161 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
162 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
163 | ||
164 | for (modp = modules->init_list; modp != NULL; modp = modp->next) | |
165 | { | |
166 | if ((*modp->fn) (sd) != SIM_RC_OK) | |
167 | return SIM_RC_FAIL; | |
168 | } | |
169 | return SIM_RC_OK; | |
170 | } | |
171 | ||
172 | /* Called when ever the simulator is resumed */ | |
173 | ||
174 | SIM_RC | |
175 | sim_module_resume (SIM_DESC sd) | |
176 | { | |
177 | struct module_list *modules = STATE_MODULES (sd); | |
178 | MODULE_RESUME_LIST *modp; | |
179 | ||
180 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
181 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
182 | ||
183 | for (modp = modules->resume_list; modp != NULL; modp = modp->next) | |
184 | { | |
185 | if ((*modp->fn) (sd) != SIM_RC_OK) | |
186 | return SIM_RC_FAIL; | |
187 | } | |
188 | return SIM_RC_OK; | |
189 | } | |
190 | ||
191 | /* Called when ever the simulator is suspended */ | |
192 | ||
193 | SIM_RC | |
194 | sim_module_suspend (SIM_DESC sd) | |
195 | { | |
196 | struct module_list *modules = STATE_MODULES (sd); | |
197 | MODULE_SUSPEND_LIST *modp; | |
198 | ||
199 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
200 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
201 | ||
202 | for (modp = modules->suspend_list; modp != NULL; modp = modp->next) | |
203 | { | |
204 | if ((*modp->fn) (sd) != SIM_RC_OK) | |
205 | return SIM_RC_FAIL; | |
206 | } | |
207 | return SIM_RC_OK; | |
208 | } | |
209 | ||
210 | /* Uninstall installed modules, called by sim_close. */ | |
211 | ||
212 | void | |
213 | sim_module_uninstall (SIM_DESC sd) | |
214 | { | |
215 | struct module_list *modules = STATE_MODULES (sd); | |
216 | MODULE_UNINSTALL_LIST *modp; | |
217 | ||
218 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
219 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
220 | ||
221 | /* Uninstall the modules. */ | |
222 | for (modp = modules->uninstall_list; modp != NULL; modp = modp->next) | |
223 | (*modp->fn) (sd); | |
224 | ||
225 | /* clean-up init list */ | |
226 | { | |
227 | MODULE_INIT_LIST *n, *d; | |
228 | for (d = modules->init_list; d != NULL; d = n) | |
229 | { | |
230 | n = d->next; | |
d79fe0d6 | 231 | free (d); |
c906108c SS |
232 | } |
233 | } | |
234 | ||
235 | /* clean-up resume list */ | |
236 | { | |
237 | MODULE_RESUME_LIST *n, *d; | |
238 | for (d = modules->resume_list; d != NULL; d = n) | |
239 | { | |
240 | n = d->next; | |
d79fe0d6 | 241 | free (d); |
c906108c SS |
242 | } |
243 | } | |
244 | ||
245 | /* clean-up suspend list */ | |
246 | { | |
247 | MODULE_SUSPEND_LIST *n, *d; | |
248 | for (d = modules->suspend_list; d != NULL; d = n) | |
249 | { | |
250 | n = d->next; | |
d79fe0d6 | 251 | free (d); |
c906108c SS |
252 | } |
253 | } | |
254 | ||
255 | /* clean-up uninstall list */ | |
256 | { | |
257 | MODULE_UNINSTALL_LIST *n, *d; | |
258 | for (d = modules->uninstall_list; d != NULL; d = n) | |
259 | { | |
260 | n = d->next; | |
d79fe0d6 | 261 | free (d); |
c906108c SS |
262 | } |
263 | } | |
264 | ||
265 | /* clean-up info list */ | |
266 | { | |
267 | MODULE_INFO_LIST *n, *d; | |
268 | for (d = modules->info_list; d != NULL; d = n) | |
269 | { | |
270 | n = d->next; | |
d79fe0d6 | 271 | free (d); |
c906108c SS |
272 | } |
273 | } | |
274 | ||
d79fe0d6 | 275 | free (modules); |
c906108c SS |
276 | STATE_MODULES (sd) = NULL; |
277 | } | |
278 | ||
279 | /* Called when ever simulator info is needed */ | |
280 | ||
281 | void | |
282 | sim_module_info (SIM_DESC sd, int verbose) | |
283 | { | |
284 | struct module_list *modules = STATE_MODULES (sd); | |
285 | MODULE_INFO_LIST *modp; | |
286 | ||
287 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
288 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
289 | ||
290 | for (modp = modules->info_list; modp != NULL; modp = modp->next) | |
291 | { | |
292 | (*modp->fn) (sd, verbose); | |
293 | } | |
294 | } | |
295 | \f | |
296 | /* Add FN to the init handler list. | |
297 | init in the same order as the install. */ | |
298 | ||
299 | void | |
300 | sim_module_add_init_fn (SIM_DESC sd, MODULE_INIT_FN fn) | |
301 | { | |
302 | struct module_list *modules = STATE_MODULES (sd); | |
303 | MODULE_INIT_LIST *l = ZALLOC (MODULE_INIT_LIST); | |
304 | MODULE_INIT_LIST **last; | |
305 | ||
306 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
307 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
308 | ||
309 | last = &modules->init_list; | |
310 | while (*last != NULL) | |
311 | last = &((*last)->next); | |
312 | ||
313 | l->fn = fn; | |
314 | l->next = NULL; | |
315 | *last = l; | |
316 | } | |
317 | ||
318 | /* Add FN to the resume handler list. | |
319 | resume in the same order as the install. */ | |
320 | ||
321 | void | |
322 | sim_module_add_resume_fn (SIM_DESC sd, MODULE_RESUME_FN fn) | |
323 | { | |
324 | struct module_list *modules = STATE_MODULES (sd); | |
325 | MODULE_RESUME_LIST *l = ZALLOC (MODULE_RESUME_LIST); | |
326 | MODULE_RESUME_LIST **last; | |
327 | ||
328 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
329 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
330 | ||
331 | last = &modules->resume_list; | |
332 | while (*last != NULL) | |
333 | last = &((*last)->next); | |
334 | ||
335 | l->fn = fn; | |
336 | l->next = NULL; | |
337 | *last = l; | |
338 | } | |
339 | ||
340 | /* Add FN to the init handler list. | |
341 | suspend in the reverse order to install. */ | |
342 | ||
343 | void | |
344 | sim_module_add_suspend_fn (SIM_DESC sd, MODULE_SUSPEND_FN fn) | |
345 | { | |
346 | struct module_list *modules = STATE_MODULES (sd); | |
347 | MODULE_SUSPEND_LIST *l = ZALLOC (MODULE_SUSPEND_LIST); | |
348 | MODULE_SUSPEND_LIST **last; | |
349 | ||
350 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
351 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
352 | ||
353 | last = &modules->suspend_list; | |
354 | while (*last != NULL) | |
355 | last = &((*last)->next); | |
356 | ||
357 | l->fn = fn; | |
358 | l->next = modules->suspend_list; | |
359 | modules->suspend_list = l; | |
360 | } | |
361 | ||
362 | /* Add FN to the uninstall handler list. | |
363 | Uninstall in reverse order to install. */ | |
364 | ||
365 | void | |
366 | sim_module_add_uninstall_fn (SIM_DESC sd, MODULE_UNINSTALL_FN fn) | |
367 | { | |
368 | struct module_list *modules = STATE_MODULES (sd); | |
369 | MODULE_UNINSTALL_LIST *l = ZALLOC (MODULE_UNINSTALL_LIST); | |
370 | ||
371 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
372 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
373 | ||
374 | l->fn = fn; | |
375 | l->next = modules->uninstall_list; | |
376 | modules->uninstall_list = l; | |
377 | } | |
378 | ||
379 | /* Add FN to the info handler list. | |
380 | Report info in the same order as the install. */ | |
381 | ||
382 | void | |
383 | sim_module_add_info_fn (SIM_DESC sd, MODULE_INFO_FN fn) | |
384 | { | |
385 | struct module_list *modules = STATE_MODULES (sd); | |
386 | MODULE_INFO_LIST *l = ZALLOC (MODULE_INFO_LIST); | |
387 | MODULE_INFO_LIST **last; | |
388 | ||
389 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); | |
390 | SIM_ASSERT (STATE_MODULES (sd) != NULL); | |
391 | ||
392 | last = &modules->info_list; | |
393 | while (*last != NULL) | |
394 | last = &((*last)->next); | |
395 | ||
396 | l->fn = fn; | |
397 | l->next = NULL; | |
398 | *last = l; | |
399 | } |